Sorbitol Is a Sweetener Often Used in Chewing Gum and Diet

Multiple Choice

Sorbitol is a sweetener often used in chewing gum and diet drinks. It is obtained by the following reaction. Which of the following functional group transformations occur during this reaction?

A) The aldehyde becomes an alcohol.
B) An alcohol becomes an aldehyde.
C) An alcohol disappears.
D) A new aldehyde appears.
E) All of the above